Which equation could be used to find the missing value of x?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Plz hurry evaluate the expression a+b where a=8 and b=19